兩個單列環形球軸承,尺寸經選定,組成匹配對或匹配組。軸承套圈表面經過特殊研磨,達到規定的偏置量,安裝時可產生預定的預緊力。可能包含一個單列角接觸軸承,軸承套圈表面經過特殊研磨,適合雙列安裝。
3.0 pounds nominal bearing preload rating, unable to decode material, as modified by bearing preload rating departure from cited designator, 115 type and 50 grade nondefinitive spec/std data, radial load direction